An improved chimney or ventilating-shaft terminal,申请号GB19380004640-传众专利搜索

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发明名称	An improved chimney or ventilating-shaft terminal
摘要
申请公布号	GB507787(A)	申请公布日期	1939.06.21
申请号	GB19380004640	申请日期	1938.02.15
申请人	KENNETH MACKENZIE	发明人
分类号	F23L17/08	主分类号	F23L17/08
代理机构		代理人
主权项
地址

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